 awk -F ':' '{printf("01%6s\n",$1)}'  CTPContractInfo/CFFEX.ContractInfo >> Contract.dat
 awk -F ':' '{printf("02%6s\n",tolower($1))}'  CTPContractInfo/SHFE.ContractInfo >> Contract.dat
 awk -F ':' '{printf("03%6s\n",tolower($1))}'  CTPContractInfo/DCE.ContractInfo >> Contract.dat
 awk -F ':' '{printf("04%6s\n",$1)}'  CTPContractInfo/ZCE.ContractInfo >> Contract.dat
 awk -F ':' '{printf("28%6s\n",tolower($1))}'  CTPContractInfo/INE.ContractInfo >> Contract.dat

